Removable disks , network drives , ram disks and cd - rom drives will not be scanned
Tmpfs is probably the best ram disk - like system available for linux right now , and is a new feature of kernel 2 . 4
A livecd works by placing the files on a ram disk making less ram for applications , which can slow performance
This , along with its dynamic resizing abilities , allow for much better overall os performance and flexibility than the alternative of using a traditional ram disk
The kernel boots , mounts an initial ram disk initrd , performs further customizable initialization , then mounts the root filesystem and continues initialization again , usually by calling sbin init
My performance and tuning tests were primarily focused around extracting an uncompressed kernel source tarball from a ram disk to the test filesystem , and then recursively copying the new source tree to a new directory on the same filesystem
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